Polyether Derivative with Functional Groups for Lubricant Additives
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Polyether derivatives used as base oils in lubricants lack inherent anti-oxidation, anti-wear, and anti-rust functionalities, necessitating additional additives to compensate for these deficiencies.
Innovation Solution
A polyether derivative with specific structural modifications, including ether bands, ester groups, amino groups, and heteroatoms, is synthesized through a method involving chloro epoxyalkane, alkyl alcohol, benzotriazole, and isocyanate compounds, which introduces functional groups that enhance anti-oxidation, anti-wear, and anti-rust properties without requiring excessive additional additives.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If polyether is used as base oil, then high viscosity index and low pour point are achieved, but anti-oxidation, anti-wear and anti-rust functionalities are insufficient
Solution Approach 1:
The patent combines the base oil function and additive functions into a single polyether derivative molecule. The derivative simultaneously provides lubrication (base oil function) and anti-oxidation, anti-wear, and anti-rust protection (additive functions), eliminating the need for separate additive packages while maintaining high viscosity index and low pour point properties
Solution Approach 2:
The polyether derivative is synthesized as a composite molecular structure incorporating multiple functional groups (ether bands, ester groups, amino groups, heteroatoms) within a single molecule, creating a multi-functional lubricant base stock that exhibits both excellent physical properties and protective functionalities
2Reliability
If functional additives are added to polyether base oil, then anti-oxidation and anti-wear functionality is improved, but the number of components and complexity increases
Solution Approach 1:
The polyether derivative is designed to perform multiple functions simultaneously - it serves as both the base oil providing lubrication and viscosity stability, and as the additive providing anti-oxidation, anti-wear, and anti-rust protection. This multi-functionality reduces the total number of components needed in the lubricant formulation
3Reliability
If multiple additives are used to compensate for base oil deficiencies, then performance is improved, but manufacturing cost and formulation complexity increase
Solution Approach 1:
The patent merges the synthesis of the polyether derivative with the incorporation of functional groups in a integrated multi-step process. The synthesis combines polymerization, functional group introduction, and purification steps to produce a ready-to-use multi-functional base stock, simplifying the overall formulation process compared to mixing multiple separate additives
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The modified polyether derivatives exhibit superior anti-oxidation, anti-wear, and anti-rust functionalities, outperforming traditional additives in corrosion resistance, high-temperature stability, and oxidation resistance, as demonstrated by improved performance in copper corrosion, salt spray, and oxidation experiments.
Implementation Method 1
the catalyst selects Zn-Co bimetallic catalyst or alkaline catalyst
Implementation Method 2
heating the reactor to 30-100°C; maintaining pressure to be less than 1.5 MPa; when the temperature starts to rise and the pressure starts to drop, continuously adding another chloro epoxyalkane to the reactor
Implementation Method 3
The modified polyether derivatives exhibit superior anti-oxidation, anti-wear, and anti-rust functionalities
Implementation Method 4
The above polyether derivatives can be divided into the following three types... R is one of wherein R5 is hydrogen or alkane of C1-C20
Data Source
AI summary
The present invention discloses a polyether derivative and a preparation method therefor. The polyether derivative is:the polyether derivative of the present invention has a functional group introduced into the polyether chain, such that the derivative has an ether bond, an ester group, an amino group, a heteroatom, and other groups, enabling the derivative to have various functions such as anti-oxidation, anti-wear functionality, and anti-rust functionality, either without requiring additional additives or requiring fewer additional additives used to make up for the lack of base oil functions.